S
M
T
W
T
F
S
26
68°
50°
27
77°
43°
28
76°
59°
29
66°
46°
30
60°
40°
1
56°
32°
2
56°
33°
3
62°
48°
4
72°
56°
5
69°
52°
6
62°
43°
7
57°
39°
8
61°
44°
9
66°
46°
10
67°
48°
11
70°
51°
12
71°
50°
13
69°
49°
14
68°
51°
15
72°
55°
16
70°
53°
17
72°
57°
18
78°
58°
19
78°
58°
20
77°
59°
21
80°
59°
22
79°
58°
23
79°
58°
24
73°
53°
25
73°
57°
26
79°
60°
27
80°
58°
28
73°
59°
29
75°
58°
30
74°
55°
31
78°
60°
1
75°
59°
2
79°
61°
3
78°
56°
4
74°
53°
5
74°
53°
6
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hamilton
Hamilton's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 32° and 61°. The average high for May is 72° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Hamilton. See also: June | July | August.
